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Lavage Rapide owns and operates a large automatic car wash facility near Montreal. The following table provides estimates concerning the company's costs: For example, electricity costs should be $1,300 per month plus $0.09 per car washed. The company expects to wash 8,200 cars in August and to collect an average of $6.90 per car washed, The company actually washed 8,300 cars in August. Required: Calculate the company's activity variances for August. Note: Indicate the effect of each variance by selecting "F" for favorable, " U " for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values